Earth Science sem 2 wk 4

The amount of uniformity in the size of rock or sediment particles is called

• packing

• sorting

• permeability

Karst topography forrns in

• only dry areas

• only wet areas

• both wet and dry areas

Which of the following does NOT affect the depth of the water table below the ground?

• surface topography

• permeability of the aquifer

• pollution

The area where water from the surface can move through penneable rock to reach an aquifer is called

• water table

• hot spring

• recharge zone

Rock becomes chemically weathered when

• carbonic acid, formed when water passes through soil, dissolves minerals in the rock

• the rock becomes impermeable.

• zone of saturaüon.

Glacial lakes can form through

• erosion and deposition.

• only erosion

• glaciation and subduction.

Which of the following features are all produced by glacial erosion?

• hom, cirque, and kettle

• cirque, aréte, and horn

• till, horn, and moraine

What happened to sea levels during the last ice age?

• lhey were lower than today.

• They were higher than today

• They were the same as today.

A continental glacier is

• a mass of ice that forms in the mountains, confined by local topography.

• a mass of ice that is not confined by local topography.

• a mass of ice driven by continental drift.

An iceberg is formed by

• fissures that break up an alpine glacier.

• tidal action that breaks a large block of ice from an ice shelf.

• friction between two or more glaciers.